Re: [PATCH 13/13] drm/i915: Document which platforms use which sprite registers

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On Thu, 16 May 2024, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Note which sprite registers are valid for which platforms.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>

> ---
>  .../gpu/drm/i915/display/intel_sprite_regs.h  | 19 +++++++++++--------
>  1 file changed, 11 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_sprite_regs.h b/drivers/gpu/drm/i915/display/intel_sprite_regs.h
> index c27adbaf0f00..73021e3ced6d 100644
> --- a/drivers/gpu/drm/i915/display/intel_sprite_regs.h
> +++ b/drivers/gpu/drm/i915/display/intel_sprite_regs.h
> @@ -6,6 +6,7 @@
>  
>  #include "intel_display_reg_defs.h"
>  
> +/* g4x/ilk/snb video sprite */
>  #define _DVSACNTR		0x72180
>  #define _DVSBCNTR		0x73180
>  #define DVSCNTR(pipe) _MMIO_PIPE(pipe, _DVSACNTR, _DVSBCNTR)
> @@ -111,6 +112,7 @@
>  #define _DVSBGAMCMAX_ILK	0x73340 /* ilk/snb */
>  #define DVSGAMCMAX_ILK(pipe, i) _MMIO(_PIPE(pipe, _DVSAGAMCMAX_ILK, _DVSBGAMCMAX_ILK) + (i) * 4) /* 3 x u1.10 */
>  
> +/* ivb/hsw/bdw sprite */
>  #define _SPRA_CTL		0x70280
>  #define _SPRB_CTL		0x71280
>  #define SPRCTL(pipe) _MMIO_PIPE(pipe, _SPRA_CTL, _SPRB_CTL)
> @@ -140,8 +142,8 @@
>  #define   SPRITE_TILED				REG_BIT(10)
>  #define   SPRITE_DEST_KEY			REG_BIT(2)
>  
> -#define _SPRA_LINOFF		0x70284
> -#define _SPRB_LINOFF		0x71284
> +#define _SPRA_LINOFF		0x70284 /* ivb */
> +#define _SPRB_LINOFF		0x71284 /* ivb */
>  #define SPRLINOFF(pipe) _MMIO_PIPE(pipe, _SPRA_LINOFF, _SPRB_LINOFF)
>  
>  #define _SPRA_STRIDE		0x70288
> @@ -181,24 +183,24 @@
>  #define _SPRB_KEYMAX		0x712a0
>  #define SPRKEYMAX(pipe) _MMIO_PIPE(pipe, _SPRA_KEYMAX, _SPRB_KEYMAX)
>  
> -#define _SPRA_TILEOFF		0x702a4
> -#define _SPRB_TILEOFF		0x712a4
> +#define _SPRA_TILEOFF		0x702a4 /* ivb */
> +#define _SPRB_TILEOFF		0x712a4 /* ivb */
>  #define SPRTILEOFF(pipe) _MMIO_PIPE(pipe, _SPRA_TILEOFF, _SPRB_TILEOFF)
>  #define   SPRITE_OFFSET_Y_MASK	REG_GENMASK(31, 16)
>  #define   SPRITE_OFFSET_Y(y)	REG_FIELD_PREP(SPRITE_OFFSET_Y_MASK, (y))
>  #define   SPRITE_OFFSET_X_MASK	REG_GENMASK(15, 0)
>  #define   SPRITE_OFFSET_X(x)	REG_FIELD_PREP(SPRITE_OFFSET_X_MASK, (x))
>  
> -#define _SPRA_OFFSET		0x702a4
> -#define _SPRB_OFFSET		0x712a4
> +#define _SPRA_OFFSET		0x702a4 /* hsw/bdw */
> +#define _SPRB_OFFSET		0x712a4 /* hsw/bdw */
>  #define SPROFFSET(pipe) _MMIO_PIPE(pipe, _SPRA_OFFSET, _SPRB_OFFSET)
>  
>  #define _SPRA_SURFLIVE		0x702ac
>  #define _SPRB_SURFLIVE		0x712ac
>  #define SPRSURFLIVE(pipe) _MMIO_PIPE(pipe, _SPRA_SURFLIVE, _SPRB_SURFLIVE)
>  
> -#define _SPRA_SCALE		0x70304
> -#define _SPRB_SCALE		0x71304
> +#define _SPRA_SCALE		0x70304 /* ivb */
> +#define _SPRB_SCALE		0x71304 /* ivb */
>  #define SPRSCALE(pipe) _MMIO_PIPE(pipe, _SPRA_SCALE, _SPRB_SCALE)
>  #define   SPRITE_SCALE_ENABLE			REG_BIT(31)
>  #define   SPRITE_FILTER_MASK			REG_GENMASK(30, 29)
> @@ -224,6 +226,7 @@
>  #define _SPRB_GAMC17		0x7144c
>  #define SPRGAMC17(pipe, i) _MMIO(_PIPE(pipe, _SPRA_GAMC17, _SPRB_GAMC17) + (i) * 4) /* 3 x u2.10 */
>  
> +/* vlv/chv sprite */
>  #define _VLV_SPR(pipe, plane_id, reg_a, reg_b) \
>  	_PIPE((pipe) * 2 + (plane_id) - PLANE_SPRITE0, (reg_a), (reg_b))
>  #define _MMIO_VLV_SPR(pipe, plane_id, reg_a, reg_b) \

-- 
Jani Nikula, Intel




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